In response to the question of ` is it possible to use retries and deadletter queues in celery? Answer:- Retries:- You can sell self.retry() in a task or set autoretry_for, max_retries, and retry_backoff to automatically retry failed tasks. Dead Letter Queues (DLQ):- Not built-in, but you can configure your broker (RabbitMQ, Redis) to route expired or rejected messages to a DLQ. Celebrity will work that configuration. Source of answer:- results from carried out experiments.